JP2000266098A - Damper, vibration isolating device and disc device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce allowance for vibration of a damper required for absorbing external disturbance of a low frequency vibration range without deteriorating absorbing action of a high frequency vibration range. SOLUTION: A damper circumferential wall 21 formed of an elastic member that is formed into a hollow filled with a viscous material, an operating column 10 formed by receiving an engagement pin 11 which is extended in an inward direction in at least one part of the damper circumferential wall 21 and projected from a vibration isolated member, and a one-layer partitioning part 6 which is supported by at least one part of the damper circumferential wall 21, and partitions a viscous material chamber 9 filled with the viscous material to form a clearance part through which the viscous material is moved are provided. When the damper circumferential wall 21 is vibrated, the operating column 10 agitates the viscous material filled into the inside of the damper circumferential wall 21 and the viscous material is moved through the clearance part, thereby external disturbance of a low frequency vibration range can be reduced.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a damper, an anti-vibration device and a disk device, and more particularly, to a damper which is most suitable for a disk device for a vehicle using a hard disk or an optical disk or a disk device for a video recorder integrated with a camera.
The present invention relates to an anti-vibration device and a disk device.

[0002]

2. Description of the Related Art Conventionally, as a damper of this type, a damper having a structure described in Japanese Patent Application Laid-Open No. 10-172272 has been generally used. FIG. 13 is a sectional view of such a conventionally commonly used damper, and FIG.
It is sectional drawing which cut | disconnected the damper shown by XX in FIG. 13 and 14, reference numeral 1 denotes a viscous body such as silicon oil;
2 is a vibration-proof member such as a disk device, 11 is an engagement pin, 1
Reference numeral 6 denotes a support portion for supporting the disk device and the like, 45 denotes a damper peripheral wall, 46 denotes an engagement hole, 47 denotes a working column, 48 denotes a free connecting portion, and 49 denotes a holding portion. In the upper part of the cylindrical damper peripheral wall 45 formed of an elastic member, the engaging pin 11 protruding from the vibration-proof member 2 is received by press-fitting into the engaging hole 46 and extends into the viscous body 1. Are formed, and a free connecting portion 48 formed in a concentric wave shape is formed so as to hold the action column 47 so as to be movable up, down, left, and right. Further, a support portion 16 and a holding portion 49 engaged with a fastening component such as a screw are integrally formed at a lower portion thereof.

[0003] Next, the operation of the conventional damper configured as described above will be described with reference to FIGS. When vibration or impact is externally applied to the support portion 16, the vibration-proof member 2 moves relatively to the support portion 16, and the action column 47 also moves integrally with the vibration-proof member 2. Move around the viscous body and stir. Accordingly, the action column 47 receives a resistance force required for stirring from the viscous body 1 in a direction for preventing its movement and in proportion to its moving speed and amount. Along with this, the damper peripheral wall 45 changes the state of the free connecting portion 48 to absorb the movement of the action column 47, so that the influence on the vibration-proof member 2 by external vibration or impact is small.

This type of damper is a viscous material for buffering a disturbance component in a high-frequency vibration range when a disturbance having a frequency component in a wide range (wide vibration range) is to be buffered (absorption and attenuation of shock or vibration). In order to avoid interference between the support portion 16 and the vibration-isolated member 2 which may be caused by disturbance in the low-frequency vibration region where the amplitude increases, the support portion necessary for the buffering operation in the low-frequency vibration region. It is configured to secure a margin for 16 movements.

[0005]

However, in the above-mentioned conventional damper, when an attempt is made to buffer a disturbance having a wide range of frequency components, the disturbance component in a low-frequency vibration region having a large amplitude is not buffered. In order to perform the operation, it is necessary to provide a sufficient allowance for the movement due to the vibration between the supporting portion and the vibration-proof member in order to avoid mutual interference, and there is a problem that the device becomes large. .

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problem, and has an allowance for a vibration of a damper necessary for buffering a disturbance in a low-frequency vibration region without deteriorating a buffering effect in a high-frequency vibration region. It is an object of the present invention to provide a damper capable of reducing the pressure.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned conventional problems, the present invention has a damper peripheral wall formed of an elastic member formed in a hollow and filled with a viscous material, and at least a part of the damper peripheral wall. A working column that receives an engaging pin that extends inward and protrudes from the vibration-proof member, and a viscous body chamber that is supported at at least one location on the peripheral wall of the damper and is filled with a viscous body, and a space between the viscous body and the viscous body. And at least one partition part constituting a gap portion in which the damper moves, and when the peripheral wall of the damper vibrates, the action column agitates the viscous material filled in the peripheral wall of the damper.

According to the present invention, when the damper vibrates, the viscous body in the damper peripheral wall is agitated by the action column extending inward from the damper peripheral wall and having the engaging pin of the vibration-proof member pushed thereinto, Vibration in the high-frequency vibration region is buffered by the viscous body, and vibration in the low-frequency vibration region is buffered when the viscous body moves through the gap, so that the buffering action in the high-frequency vibration region is not deteriorated. It is possible to reduce the vibration in the frequency vibration range and reduce the margin for the movement of the damper required for buffering the disturbance in the low frequency vibration range, and to obtain a damper that can prevent an increase in the size of the device.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A damper according to the first aspect of the present invention has a damper peripheral wall formed of an elastic member having a hollow and filled with a viscous material in the hollow to form a viscous chamber. And at least one partition part, which is supported at at least one location on the peripheral wall of the damper, partitions the viscous body chamber, and forms a gap part between which the viscous body moves.
The viscous body in the viscous body chamber is caused to pass through the gap by the vibration of the damper peripheral wall. The inside of the damper filled with the viscous body is partitioned by a partition, and the low-frequency vibration having a large amplitude with respect to the damper. By causing the viscous material to pass through the gap of the partition when a disturbance component in the frequency range occurs, the resistance to low-frequency vibration is increased, and the buffering effect on the disturbance component in the high-frequency vibration range is deteriorated. Without this, there is an effect that it is possible to reduce a margin for damper movement necessary for buffering an external disturbance component in a low frequency vibration range.

[0010] The damper according to the second aspect of the present invention is provided with an operating column which receives an engaging pin extending inward at at least a part of the peripheral wall of the damper and projecting from the vibration-proof member, When the damper vibrates, the action column agitates the viscous body filled in the viscous body chamber in the damper peripheral wall, and extends inward from the damper peripheral wall and projects from the vibration-proof member. A working column that receives an engaging pin that engages, and a vibrating body is agitated by the working column when the damper vibrates. This has the effect that it is possible to reduce the margin for damper movement necessary for buffering the disturbance component in the vibration range.

According to a third aspect of the present invention, in the damper, the viscous body is made of silicone oil, and the viscous body used for filling the damper is made of silicon oil, so that high-frequency vibration is achieved. It has the effect that a viscous body having an appropriate viscosity necessary for buffering a disturbance component in a high range from the range to the low frequency vibration range can be obtained.

According to a fourth aspect of the present invention, in the damper, the elastic member is made of rubber or plastic, and the elastic member constituting the peripheral wall of the damper is made of rubber or plastic. The effect is that the hardness can be easily adjusted and the shape can be easily formed.

[0013] In a damper according to a fifth aspect of the present invention, the partition portion is provided with at least one hole or notch as the gap.
By providing at least one hole or notch in the partition portion, it is possible to arbitrarily configure the shape, size, etc. of the hole or notch, thereby making it possible to finely adjust the characteristics of the buffering action. In addition, there is an effect that it is possible to reduce a margin for damper movement necessary for the buffering action.

According to a sixth aspect of the present invention, in the damper, the partition portion has at least one projection, and the partition portion has a projection. By arbitrarily configuring the shape and size of the projections, it is possible to finely adjust the characteristics of the buffering action, and to reduce the margin for damper movement required for the buffering action.

According to a seventh aspect of the present invention, there is provided the damper wherein the viscosity of the viscous material to be filled in each of the viscous material chambers partitioned by the partition portion is provided with a difference. By changing the viscosity of the viscous material to be filled in each area divided by the partition part, it is possible to configure a damper with various viscosity settings, which is highly effective against external vibration and impact It has the effect that a damper can be obtained.

The vibration isolator according to the invention of claim 8 of the present invention comprises a plurality of elastic support means mounted inside the support member for elastically supporting the outer periphery of the vibration-isolated member in a three-dimensionally movable manner. And at least one pair of the damper according to claim 1, 2, 3, 4, 5, 6, or 7 is incorporated on the outer periphery of the vibration-proof member.
A damper necessary for buffering disturbance components in the low-frequency vibration region and the high-frequency vibration region is provided on the outer periphery of the vibration-proof member, and is mounted inside the support member to movably and elastically support the outer periphery of the vibration-proof member. By providing a plurality of elastic support means, it is possible to reduce a margin for a damper movement necessary for a buffering action on a disturbance component in a low-frequency vibration range without deteriorating a buffering action on a disturbance component in a high-frequency vibration range. It has the effect of being able to.

According to a ninth aspect of the present invention, a disk device with a vibration isolator is provided with means for recording and reproducing the vibration isolator of the eighth aspect in a non-contact manner with respect to a disk-shaped recording medium. The anti-vibration device according to claim 8, wherein the anti-vibration device according to claim 8 is applied to a disk device having means for recording and reproducing in a non-contact manner with respect to a disk-shaped recording medium. This has the effect of being compact and of significantly improving vibration and impact resistance.

According to a tenth aspect of the present invention, there is provided an on-vehicle disk device according to the first, second, third, fourth, fifth and sixth aspects.
Or a disk device supported by an anti-vibration device incorporating the damper according to 7 above, wherein a disturbance component in a low-frequency vibration region is not deteriorated without deteriorating a buffering effect on a disturbance component in a high-frequency vibration region. Supported by a vibration isolator incorporating a damper capable of reducing a margin for a damper movement necessary for a damping action on the vehicle, the device is small and easily incorporated into a vehicle,
It has high vibration resistance and shock resistance, and has the effect of obtaining a high access and a high transfer rate.

According to an eleventh aspect of the present invention, an on-vehicle disk device includes a disk device supported by the vibration isolator according to the eighth aspect or a disk device with a vibration isolator according to the ninth aspect. The vibration damping system incorporates a damper that can reduce the margin for damper movement required for buffering the disturbance components in the low-frequency vibration region without deteriorating the buffering effect for the disturbance components in the high-frequency vibration region. By incorporating the disk device supported by the device, the device has a function of being small in size and easy to assemble into a vehicle, having high vibration and impact resistance, and having a high access and a high transfer rate.

According to a twelfth aspect of the present invention, there is provided a video recorder disk device according to the first, second, third and fourth aspects.
A disk device supported by an anti-vibration device incorporating the damper described in 4, 5, 6 or 7 is incorporated therein. By being supported by an anti-vibration device incorporating a damper capable of reducing a margin for damper movement necessary for a damping action on a disturbance component in a vibration region, the device is small in size and easy to incorporate into a vehicle, and has vibration resistance and resistance to vibration. It has the effect of obtaining high impact, high access, and high transfer rate.

According to a thirteenth aspect of the present invention, there is provided a disk device for a video recorder, wherein the disk device is supported by the vibration isolator according to the eighth aspect, or the ninth aspect of the present invention.
The disk device with the vibration isolator described above is built-in, and a margin for damper movement necessary for buffering the disturbance component in the low-frequency vibration range without deteriorating the buffering function for the disturbance component in the high-frequency vibration range. By incorporating a disk device supported by a vibration isolator incorporating a damper that can reduce the cost, it is compact and easy to incorporate into a vehicle, has high vibration and impact resistance, high access and high transfer It has the effect that a rate can be obtained.

The camera-integrated video recorder according to the invention described in claim 14 of the present invention is characterized in that:
A disk device supported by an anti-vibration device incorporating the damper described in 4, 5, 6 or 7 is incorporated therein. By being supported by an anti-vibration device incorporating a damper capable of reducing a margin for damper movement necessary for a damping action on a disturbance component in a vibration region, the device is small in size and easy to incorporate into a vehicle, and has vibration resistance and resistance to vibration. It has the effect of obtaining high impact, high access, and high transfer rate.

According to a fifteenth aspect of the present invention, the camera-integrated video recorder incorporates a disk device supported by the vibration isolator according to the eighth aspect or a disk device with a vibration isolator according to the ninth aspect. A damper with a built-in damper that can reduce the margin for damper movement required for buffering the disturbance component in the low-frequency vibration range without deteriorating the buffering function for the disturbance component in the high-frequency vibration range. By incorporating the disk device supported by the vibration device, it has the effect of being small in size and easy to assemble into a vehicle, having high vibration resistance and shock resistance, and having high access and high transfer rate.

Hereinafter, embodiments 1 to 8 of the present invention will be described in detail with reference to the accompanying drawings and FIGS. 1 to 12. Hereinafter, the silicon oil damper (FIGS. 1 to 8) and the vibration isolator (FIG. 9) using the silicon oil damper according to the first to eighth embodiments of the present invention; FIG. 10), a video recorder disk device incorporating a vehicle-mounted optical disk device (FIG. 11) and a camera-integrated video recorder incorporating a optical disk device (FIG. 12), respectively.
This will be described with reference to FIG.

(Embodiment 1) First, a silicon oil damper according to Embodiment 1 of the present invention will be described with reference to FIGS. FIG. 1 is a sectional view showing a configuration of a silicon oil damper according to Embodiment 1 of the present invention, and FIG. 2 is a sectional view of the silicon oil damper shown in FIG.
FIG. 3 is a cross-sectional view showing a state cut along a plane, and FIG. 3 is a cross-sectional view showing the operation of the silicon oil damper shown in FIG. 1 to 3, reference numeral 2 denotes an anti-vibration member such as an optical disk device, etc., 3 denotes an end, 4 denotes an end, 5 denotes a gap through which a viscous body passes, 6 denotes a partition, 7 denotes a universal connection, 8 is a lid wall, 9 is a viscous body chamber filled with silicone oil as a viscous body, 1
Reference numeral 0 denotes a working column, 11 denotes an engagement pin, 12 denotes an engagement hole, 13 denotes a bottom portion, 14 denotes a holding portion, 15 denotes a screw hole, 16 denotes a support portion, and 17 denotes a support portion.
Is a mounting hole, 18 is a silicone oil damper
Damper), 19 is resistance, 20 is resistance,
Reference numeral 21 denotes a damper peripheral wall, 24 denotes a first viscous body chamber, and 25 denotes a second viscous body chamber. The silicone oil damper 1
Reference numeral 8 denotes a partition portion 6, a free connecting portion 7, a lid wall 8, a viscous body chamber 9, an operating column 10, an engagement hole 12, a bottom portion 13, and a first viscous body chamber 2.
4. It is constituted by the second viscous body chamber 25. In addition, the partition part 6, the free connection part 7, the lid wall 8, the working column 10, the bottom part 13
Thereby, the damper peripheral wall 21 is configured.

Next, the configuration of the silicon oil damper according to the first embodiment of the present invention will be described in more detail with reference to FIGS. The damper peripheral wall 21 is formed in a cylindrical shape by an elastic member such as rubber or plastic, is supported by the ends 3 and 4 of the damper peripheral wall 21, and is formed so as to have a gap 5 between itself and the damper peripheral wall 21. Part 6
And a flexible connecting portion 7 configured to be sufficiently soft by reducing the thickness T1 of the elastic member or reducing the hardness of the elastic member, and increasing the thickness T2 of the elastic member, or increasing the hardness of the elastic member. The lid wall 8 is configured to be sufficiently harder than the free connecting portion 7 depending on whether the height is increased. A cylindrical hollow viscous body chamber 9 having a bag-like shape and airtightness is formed, and a silicon viscous body is contained therein. Oil is filled. The inside of the cylindrical hollow viscous body chamber 9 filled with silicone oil is partitioned by the partitioning section 6 into a first viscous body chamber 24 and a second viscous body chamber 25.

The distal end of the universal connecting portion 7 has a working column 10 extending inward, and the working column 10 receives an engaging pin 11 protruding from the vibration-proof member 2 described later. A hole 12 is formed. The bottom portion 13 of the lid wall 8 is joined to a holding portion 14 made of synthetic resin or the like, and the holding portion 14 is screwed through a mounting hole 17 of the support portion 16 into a screw hole 15 formed in the holding portion 14. Stopped and fixed. The supported portion 2 has an engaging pin 11 implanted by crimping or the like, and the working column 10 receives the engaging pin 11 in the engaging hole 12 by press-fitting and integrally with the vibration-proof member 2. Moving.

Next, the operation of the silicon oil damper according to the first embodiment of the present invention will be described with reference to FIGS. According to this silicone oil damper 18,
When external disturbance such as vibration or impact is applied to the support 16 from the outside, the silicon oil damper 18 fixed to the support 16 also vibrates, and as shown in FIG. The integrated working column 10 vibrates relative to the silicon oil damper 18 to agitate the silicon oil filled in the viscous body chamber 9.

The low-frequency vibration region having a large amplitude such that the stirring action of the silicon oil filled in the viscous material chamber 9 reaches the gap 5 formed by the gap between the partition 6 and the damper peripheral wall 21. With respect to the disturbance component, a resistance force 20 generated by the passage of the silicone oil through the gap 5
As a result, the displacement of the action column 10 such that the stirring action of the silicone oil does not reach the gap 5 is small, that is, the disturbance force in the high-frequency vibration region with a small amplitude depends on the viscosity dependent on the viscosity of the silicone oil. Have students receive 19.
As a result, the working column 10 receives the resisting forces 19 and 20 from the silicone oil filled in the viscous body chamber 9 in the direction of preventing its movement in a wide vibration range, and the movement of the working column 10 is largely absorbed. As a result, a buffering action against disturbances such as vibration and impact is performed.

As described above, the silicone oil damper 18 is provided between the gap 5 and the peripheral wall 21 of the damper.
By providing the partitioning portion 6 formed with the above, it is possible to prevent the external components such as vibrations and shocks having a wide range of frequency components from being disturbed from the silicon oil only from the external components having a large amplitude in the low frequency vibration range. The resistance to the agitation received, that is, the resistance required for the buffering action, can be amplified when the silicone oil passes through the gap 5. Thereby, by setting the viscosity of the silicone oil for buffering the disturbance component in the high frequency vibration region, the vibration is generated by the disturbance in the low frequency vibration region having a large amplitude without deteriorating the buffering effect on the disturbance component in the high frequency vibration region. Interference between the supporting portion 16 and the vibration-proof member 2 which may possibly be avoided can be avoided, so that a margin for a damper movement necessary for buffering the disturbance can be reduced, and the overall size of the apparatus can be reduced. Can be promoted.

(Embodiment 2) Next, a silicon oil damper according to Embodiment 2 of the present invention will be described with reference to FIGS. FIG. 4 is a sectional view showing a configuration of a silicon oil damper according to a second embodiment of the present invention. FIG. 5 is a sectional view of the silicon oil damper shown in FIG.
It is sectional drawing which shows the state cut | disconnected by the surface. In FIGS. 4 and 5, reference numeral 22 denotes a hole formed on the partition portion 6, and other components having the same reference numerals as those shown in FIGS. 1 to 3 are the same as those shown in FIGS. The description is omitted.

The hole 22 formed on the partition 6 in the second embodiment has an effect of buffering a disturbance component in a low-frequency vibration region having a large amplitude, similarly to the gap 5 in the first embodiment. . Therefore, also in the second embodiment, as in the first embodiment shown in FIGS.
It is possible to amplify the resistance to the movement of silicon oil only for the disturbance components in the low-frequency vibration region with a large amplitude without deteriorating the buffering effect for the disturbance components in the high-frequency vibration region. A margin for movement can be reduced. In this case, by arbitrarily configuring the shape, size, and the like of the hole 22 formed on the partition portion 6, in addition to adjusting the magnitude of the resistance by setting the viscosity of the silicone oil, that is, adjusting the characteristics of the buffering action, Further fine characteristic adjustment can be performed.

Third Embodiment Next, a silicon oil damper according to a third embodiment of the present invention will be described with reference to FIGS. FIG. 6 is a cross-sectional view illustrating a configuration of a silicon oil damper according to a third embodiment of the present invention, and FIG.
It is sectional drawing which shows the state cut | disconnected by the surface. In FIGS. 6 and 7, reference numeral 23 denotes a projection formed on the partition 6, and other components having the same reference numerals as those shown in FIGS. 1 to 3 are the same as those shown in FIGS. The description is omitted.

The projection 23 formed on the partition 6 in the third embodiment has an effect of buffering a disturbance component in a low-frequency vibration region having a large amplitude, similarly to the gap 5 in the first embodiment. . Therefore, also in the third embodiment, similarly to the first embodiment shown in FIGS.
It is possible to amplify the resistance to the movement of silicon oil only for the disturbance components in the low-frequency vibration region with a large amplitude without deteriorating the buffering effect for the disturbance components in the high-frequency vibration region. A margin for movement can be reduced. Also in this case, similarly to the hole 22 formed on the partition 6 in the second embodiment, the shape, size, and the like of the projection 23 formed on the partition 6 are arbitrarily configured, so that the fine characteristics of the buffering action are achieved. Adjustments can be made.

(Embodiment 4) Next, referring to FIG.
A silicon oil damper according to Embodiment 4 of the present invention will be described. FIG. 8 is a sectional view showing a configuration of a silicon oil damper according to Embodiment 4 of the present invention.
In FIG. 8, reference numeral 26 denotes silicone oil as a viscous body filled in the first viscous body chamber 24, and 27 denotes silicone oil as a viscous body filled in the second viscous body chamber 25. The oils 26 and 27 each have a difference in viscous resistance. Other components having the same reference numerals as those shown in FIGS. 1 to 3 are the same as those shown in FIGS.

As described above, in the fourth embodiment,
First and second viscous body chambers 2 divided by a partition 6
Silicon oils 2 and 4 have a difference in viscous resistance and a specific gravity, etc., so that they do not mix together.
6, 27 are filled respectively. Therefore, also in this case, similarly to the first embodiment shown in FIGS. 1 to 3, the margin for the movement of the damper necessary for the damping action is reduced without deteriorating the damping action for the disturbance component in the high-frequency vibration range. In particular, it is possible to form a damper having various viscosity settings by a combination of the silicone oils 26 and 27, so that a flexible and highly effective buffer action against external disturbances such as vibrations and impacts is obtained. be able to.

The viscous body filled in the first and second viscous body chambers 24 and 25 of the silicon oil damper 18 shown in FIGS. 1 to 8 is not limited to silicon oil, but may be oil of various materials having high viscosity. It may be a viscous fluid such as a gel member or a gas such as compressed air.

(Embodiment 5) Next, referring to FIG.
A vibration isolator to which a silicon oil damper according to a fifth embodiment of the present invention is applied will be described. FIG. 9 is a perspective view showing the configuration of the entire vibration isolator to which the silicon oil damper according to the fifth embodiment of the present invention is applied. In FIG. 9, reference numeral 28 denotes an anti-vibration device, and 29 denotes a coil spring as elastic support means for holding the anti-vibration member 2 up and down, back and forth, and left and right with respect to the support portion 16. Other components having the same reference numerals as those shown in FIGS. 1 to 3 are the same as those shown in FIGS.

The anti-vibration device according to the fifth embodiment has a structure in which the member 2 to be anti-vibrated is supported by the support portion 16 formed of a chassis or the like.
A pair of silicone oils shown in FIGS. 1 to 8 are elastically supported by a total of eight coil springs 29 as elastic support means so as to be movable in three-dimensional X, Y, and Z directions of up, down, left, right, front and back. Dampers 18 are attached to two opposing surfaces of the support portion 16 to degrade a buffering effect on a disturbance component in a high-frequency vibration range with respect to external vibration or impact applied in three-dimensional X, Y, and Z directions. Thus, it is possible to reduce the margin for the movement of the damper necessary for the buffering action on the disturbance component in the low frequency vibration range.

(Embodiment 6) Next, referring to FIG. 10, an on-vehicle optical disk apparatus as an example of a disk apparatus to which the vibration damping device shown in FIG. 9 is applied according to Embodiment 6 of the present invention will be described. Will be described. FIG. 10 is a perspective view showing a configuration of an optical disc device to which the vibration damping device shown in FIG. 9 is applied according to Embodiment 6 of the present invention. In FIG. 10, 30
Denotes an optical disk device, 31 denotes an optical disk, 32 denotes an optical pickup, and 33 denotes a circuit board. In the sixth embodiment, reference numeral 2 denotes an optical disk device main body as a vibration-proof member. Other components having the same reference numerals as those shown in FIGS. 1 to 3 are the same as those shown in FIGS.

Optical disc device 3 according to the sixth embodiment
No. 0 has a support portion 16 such as a chassis installed therein.
The main body of the optical disk device as the vibration-proof member 2 is provided inside the support portion 16 by the vibration-proof device 28 shown in FIG.
A pair of silicone oil dampers 18 are elastically supported in the dimensional directions X, Y, and Z, and are incorporated. Then, the optical disk 31 such as a CD, MD, or DVD, and an optical pickup 32 that is a means for recording and reproducing the optical disk in a non-contact state are driven inside the vibration-proof member 2, and the optical disk 31 is rotationally driven. Spindle motor (not shown), optical disc 31 to spindle motor
, And other components and mechanisms of the optical disc device 30 (both are not shown). A plurality of circuit boards 33 constituting various circuits such as servo and signal processing are incorporated at positions outside the support section 16 in the optical disk device 30. The optical disk device 30 can be replaced with a disk device such as a magnetic disk device that records and reproduces a hard disk in a non-contact state by a flying head.

(Embodiment 7) Next, with reference to FIG. 11, a description will be given of a video recorder disc device incorporating the optical disc device shown in FIG. 10 according to a seventh embodiment of the present invention. FIG. 11 is a perspective view showing a configuration of a video recorder disk device incorporating the optical disk device shown in FIG. 10 according to the seventh embodiment of the present invention. FIG.
, 34 is a disk device for a video recorder, 35
Is an optical disk insertion / ejection opening, 36 is an operation panel section, 37 is a power supply unit, 38 is a power supply board, 39 is a circuit board section, and 40 is a cooling fan. Other components having the same reference numerals as those shown in FIGS. 1 to 3 are the same as those shown in FIGS.

The video recorder disk device 34 in the seventh embodiment is provided with an optical disk insertion / ejection port 35, an operation panel section 36, and the like, and the inside of the video recorder disk device 34 shown in FIG. The optical disk device 30 is detachably or integrally mounted. Then, the video recorder disk device 3
4, a power supply unit 37 for supplying power, a power supply board 38, and other circuit boards 39 constituting various signal processing circuits are incorporated in a position outside the optical disk device 30, and a cooling fan 40 is provided in a rear position. Is installed.
In this way, a disk device for a video recorder incorporating the optical disk device shown in FIG. 10 is configured.

Embodiment 8 Next, a camera-integrated video recorder incorporating an optical disk device shown in FIG. 10 according to Embodiment 8 of the present invention will be described with reference to FIG. FIG. 12 is a perspective view showing a configuration of a camera-integrated video recorder incorporating the optical disk device shown in FIG. 10 according to the eighth embodiment of the present invention. In FIG. 12, reference numeral 41 denotes a camera body, reference numeral 42 denotes a photographing lens, reference numeral 43 denotes a handle, and reference numeral 44 denotes a shoulder pad. Shooting lens 4
2. The handle 43, the shoulder pad 44 and the like are attached to the camera body 41, and the rear part of the camera body 41 is shown in FIG.
The optical disk device 30 described in No. 0 is detachable or attached to an integrated structure.

Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various modifications can be made based on the technical concept of the present invention.

[0046]

The damper, the vibration isolator and the disk device according to the present invention are constructed as described above and have the following effects. The damper according to the present invention is configured such that the inside of the damper filled with the viscous body is partitioned by a partition provided with a gap, and when a disturbance component in a low-frequency vibration region having a large amplitude with respect to the damper occurs, the gap is formed in the viscous body. , The resistance to low-frequency vibrations is increased, and the damper movement required for the buffering action for the disturbance components in the low-frequency vibration range is maintained without deteriorating the buffering action for the disturbance components in the high-frequency vibration range. Can be reduced, and the size of the entire apparatus can be reduced.

The damper according to the present invention is provided with at least one hole or notch in the partition portion, and by arbitrarily configuring the shape or size of the hole or notch to provide a fine buffering action. Characteristics can be adjusted,
In addition, it is possible to reduce the margin for the movement of the damper necessary for the damping action, so that the overall size of the device can be reduced.

In the damper of the present invention, by providing at least one projection on the partition portion and arbitrarily configuring the shape and size of the projection, it is possible to finely adjust the characteristics of the cushioning effect, and Since the margin for the movement of the damper required for the buffering action can be reduced, the overall size of the apparatus can be reduced.

In the damper of the present invention, the viscosity of the viscous material filled therein is varied for each area divided by the partition provided in the peripheral wall of the damper, so that various viscosity settings can be made. Since it is possible to obtain a damper which is highly effective against external vibrations and shocks, and to reduce a margin for damper movement required for a damping action,
The size of the entire device can be reduced.

The anti-vibration device according to the present invention includes a pair of dampers on an outer periphery of a member to be subjected to vibration damping of a disturbance component in a low-frequency vibration region, and an outer periphery of the member to be subjected to vibration isolation inside a support member. By providing a plurality of elastic support means for elastically supporting the movable component in the three-dimensional direction, the buffering function for the disturbance component in the low-frequency vibration region is not deteriorated without deteriorating the buffering effect on the disturbance component in the high-frequency vibration region. It is possible to obtain a compact anti-vibration device capable of reducing a margin for damper movement required for a buffer action and having greatly improved vibration resistance and impact resistance.

The disk device with a vibration isolator according to the present invention is different from the disk device having means for recording and reproducing in a non-contact manner with respect to a disk-shaped recording medium such as a flying head and an optical pickup. By adopting such a configuration, it is possible to obtain a disk device with a vibration isolator that is small in size and can significantly improve vibration resistance and shock resistance.

The disk drive according to the present invention has a damper capable of reducing a margin for a damper movement required for a damping action on a disturbance component in a low-frequency vibration range without deteriorating a damping action on a disturbance component in a high-frequency vibration range. By being supported by the built-in anti-vibration device, it is possible to obtain an in-vehicle disk device that is small in size, easily installed in a vehicle, has high vibration resistance and shock resistance, and has a high access and a high transfer rate. .

The on-vehicle disk device according to the present invention has a damper capable of reducing a margin for damper movement required for a buffering action on a disturbance component in a low-frequency vibration range without deteriorating a buffering action on a disturbance component in a high-frequency vibration range. Built-in disk device supported by the built-in vibration isolator, it is compact and easy to mount in a vehicle, has high vibration and shock resistance, and has high access and high transfer rate. Can be obtained.

The disk device for a video recorder according to the present invention can reduce a margin for damper movement required for buffering the disturbance component in the low frequency vibration range without deteriorating the buffering function for the disturbance component in the high frequency vibration range. A disk device for a video recorder which is small in size and easy to assemble into a vehicle, has high vibration resistance and high shock resistance, and has a high access and a high transfer rate by being supported by an anti-vibration device in which is embedded. Can be.

The disk device for a video recorder according to the present invention has a damper capable of reducing a margin for damper movement necessary for buffering a disturbance component in a low-frequency vibration range without deteriorating a buffering function for a disturbance component in a high-frequency vibration range. By incorporating the disk device supported by the anti-vibration device with built-in, it is small and easy to install in the vehicle, high in vibration resistance and impact resistance,
A disk device for a video recorder with a high access and a high transfer rate can be obtained.

The camera-integrated video recorder according to the present invention can reduce a margin for damper movement required for buffering a disturbance component in a low-frequency vibration range without deteriorating a buffering function for a disturbance component in a high-frequency vibration range. Is supported by the anti-vibration device in which the camera is incorporated, so that it is possible to obtain a camera-integrated video recorder which is small, has high vibration resistance and shock resistance, and has a high access and a high transfer rate.

The camera-integrated video recorder of the present invention can reduce a margin for damper movement required for buffering a disturbance component in a low-frequency vibration range without deteriorating a buffering function for a disturbance component in a high-frequency vibration range. By incorporating a disk device supported by an anti-vibration device having a built-in camera, it is possible to obtain a camera-integrated video recorder that is small, has high vibration resistance and high shock resistance, and has a high access and a high transfer rate.

[Brief description of the drawings]

FIG. 1 is a sectional view showing a configuration of a silicon oil damper according to a first embodiment of the present invention;

FIG. 2 is a sectional view showing a state in which the silicon oil damper shown in FIG. 1 is cut along a PP plane.

FIG. 3 is a sectional view showing the operation of the silicone oil damper shown in FIG. 1;

FIG. 4 is a sectional view showing a configuration of a silicon oil damper according to a second embodiment of the present invention;

FIG. 5 is a sectional view showing a state in which the silicon oil damper shown in FIG. 4 is cut along a QQ plane;

FIG. 6 is a sectional view showing a configuration of a silicon oil damper according to a third embodiment of the present invention;

7 is a sectional view showing a state in which the silicon oil damper shown in FIG. 6 is cut along the RR plane.

FIG. 8 is a sectional view showing a configuration of a silicon oil damper according to a fourth embodiment of the present invention;

FIG. 9 is a perspective view showing a configuration of an entire vibration isolator to which a silicon oil damper according to a fifth embodiment of the present invention is applied;

FIG. 10 is a perspective view showing a configuration of an optical disc device to which the vibration damping device shown in FIG. 9 is applied according to the sixth embodiment of the present invention;

FIG. 11 is a perspective view showing a configuration of a video recorder disk device incorporating the optical disk device shown in FIG. 10 according to the seventh embodiment of the present invention;

FIG. 12 is a perspective view showing a configuration of a camera-integrated video recorder incorporating the optical disc device shown in FIG. 10 according to the seventh embodiment of the present invention;

FIG. 13 is a cross-sectional view of a damper conventionally used generally.

FIG. 14 is a cross-sectional view of the damper shown in FIG. 13 cut along the XX plane.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Viscous body 2 Vibration-proof member 3, 4 End part 5 Gap part 6 Partition part 7 Free connection part 8 Cover wall 9 Viscous body room 10 Working column 11 Engagement pin 12 Engagement hole 13 Low part 14 Holding part 15 Screw hole REFERENCE SIGNS LIST 17 mounting hole 16 support portion 18 silicon oil damper 19, 20 resistance 21 damper peripheral wall 22 hole 23 projection 24 first viscous body chamber 25 second viscous body chamber 26, 27 silicon oil 28 vibration isolator 29 coil spring 30 vehicle mounted Optical disk device 31 optical disk 32 optical pickup 33 circuit board 34 video recorder disk device 35 optical disk insertion / ejection port 36 operation panel section 37 power supply unit 38 power supply board 39 circuit board section 40 cooling fan 41 camera body 42 shooting lens 43 handle 44 shoulder Pad 45 Damper peripheral wall 46 Engagement hole 47 Action 48 universal coupling portion 49 holder

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 3J048 AA02 BA09 BD01 BE04 DA03 EA13 3J069 AA38 BB10 DD50 5D109 BB20 BB40

Claims (15)

[Claims] A damper peripheral wall formed of an elastic member having a hollow body filled with a viscous body to form a viscous body chamber; and a viscous body chamber supported by at least one portion of the damper peripheral wall. And at least one layer of a partition part that forms a gap part in which the viscous body moves between the partitions, wherein the viscous body in the viscous body chamber passes through the gap part by vibration of the damper peripheral wall. Damper to do. 2. An operating column for receiving an engaging pin extending inward at at least a part of the peripheral wall of the damper and projecting from a vibration-proof member, wherein the operating column is provided when the damper vibrates. 2. The damper according to claim 1, wherein the viscous body filled in the viscous body chamber in the peripheral wall of the damper is agitated. 3. The damper according to claim 1, wherein said viscous body is silicone oil. 4. The damper according to claim 1, wherein said elastic member is made of rubber or plastic. 5. The damper according to claim 1, wherein the partition has at least one hole or notch as the gap. 6. The damper according to claim 1, wherein the partition has at least one projection. 7. The damper according to claim 1, wherein the viscosity of the viscous material filled in each of the viscous material chambers partitioned by the partitioning portions is different. . 8. A plurality of elastic support means attached inside the support member for elastically supporting the outer periphery of the vibration-proof member so as to be movable in a three-dimensional direction, and provided on the outer periphery of the vibration-proof member. An anti-vibration device characterized by incorporating at least one pair of the dampers according to any one of Items 1, 2, 3, 4, 5, 6, and 7. 9. A disk with an anti-vibration device, characterized in that the anti-vibration device according to claim 8 is applied to a disk device provided with means for non-contact recording and reproduction with respect to a disk-shaped recording medium. apparatus. 10. The method of claim 1, 2, 3, 4, 5, 6, or 7.
An in-vehicle disk device including a disk device supported by an anti-vibration device incorporating the damper described above. 11. An on-vehicle disk device comprising a disk device supported by the vibration isolator according to claim 8, or a disk device with a vibration isolator according to claim 9. 12. The method of claim 1, 2, 3, 4, 5, 6, or 7.
A disk device for a video recorder, including a disk device supported by a vibration isolator incorporating the damper described above. 13. A disk device for a video recorder, comprising a disk device supported by the vibration isolator according to claim 8, or a disk device with a vibration isolator according to claim 9. 14. The method of claim 1, 2, 3, 4, 5, 6, or 7.
A disk device for a camera-integrated video recorder, which incorporates a disk device supported by an anti-vibration device incorporating the damper described above. 15. A disk device for a video recorder integrated with a camera, wherein the disk device is supported by the vibration isolator according to claim 8 or the disk device with the vibration isolator according to claim 9.